1 finding aid(s) found containing the word(s) Sound--Transmission.

  1. Lee De Forest papers, 1884-1955

    375 items ; 4 containers ; 1.6 linear feet ; 2 microfilm reels. -- Manuscript Division, Library of Congress, Washington, D.C.

    Summary:

    Radio pioneer and inventor. Correspondence, diaries, technical notes and other material relating to De Forest's inventions in radio and electronics and their effect in sound recording and transmission, efforts to exploit his discoveries through various business ventures, and his competition with Guglielmo Marconi in the field of wireless communication.